Status of LHC installation New Installation Schedule 19

Status of LHC installation & New Installation Schedule 19 June 2007 Sylvain Weisz - LEMIC 1

Sector 1 -2, 2 -3 & Point 3 n LSS 1 R Ø n Arc 1 -2 & DS Ø n Q 3. R 2 on surface, DFBAD HCM in place, LCM available July 4 th Short circuit tests completed last week Arc 2 -3 & DS Ø Ø n Short circuit tests in progress MKI not available, Alice ZDC installation CW 24 -25 Low-β repair & interconnection takes up to CW 43 critical for completion of Sector 1 -2 LSS 2 R Ø Ø n Magnets (MQI/MBI) and TED in place, beam-pipe installation in progress last LHC Arc cryo-magnets in UJ 22 (MB 2311/SSS 652/MB 3390) in place LSS 2 L Ø Ø Ø n Interconnection in progress, global advancement ~35% TI 2 Ø n Q 1 & Q 3 reparation on surface, transport and lowering of low-β scheduled CW 27 -29 Interconnection in progress: ~70% global advancement Q 11. R 2 has a short and will be replaced (SSS ready CW 32) impact on interconnect activity LSS 3 L/R Ø Ø DSLC: leaky compensators on thermal shield lines, should be replaced Q 6. L 3 and DFBMD available, installation pending completion of DSLC Installation of last warm magnets postponed, pending DSLC installation Modification of power cabling in UJ 33 scheduled CW 23 -27 19 June 2007 Sylvain Weisz - LEMIC Planning issue 2

Low-β repair: conceptual drawing to implementation Cartridge model for fixed point reinforcement Cartridge installation in Q 1. R 1 (done in Bld. 181)

Sector 1 -2, 2 -3 & Point 3 n LSS 1 R Ø n Arc 1 -2 & DS Ø n Q 3. R 2 on surface, DFBAD HCM in place, LCM available July 4 th Short circuit tests completed last week Arc 2 -3 & DS Ø Ø n Short circuit tests in progress MKI not available, Alice ZDC installation CW 24 -25 ? ? ? Low-β repair & interconnection takes up to CW 43 critical for completion of Sector 1 -2 LSS 2 R Ø Ø n Magnets (MQI/MBI) and TED in place, beam-pipe installation in progress last LHC Arc cryo-magnets in UJ 22 (MB 2311/SSS 652/MB 3390) in place LSS 2 L Ø Ø Ø n Interconnection in progress, global advancement ~35% TI 2 Ø n Q 1 & Q 3 reparation on surface, transport and lowering of low-β scheduled CW 27 -29 Interconnection in progress: ~70% global advancement Q 11. R 2 has a short and will be replaced (SSS ready CW 32) impact on interconnect activity LSS 3 L/R Ø Ø DSLC: leaky compensators on thermal shield lines, should be replaced Q 6. L 3 and DFBMD available, installation pending completion of DSLC Installation of last warm magnets postponed, pending DSLC installation Modification of power cabling in UJ 33 scheduled CW 23 -27 19 June 2007 Sylvain Weisz - LEMIC Planning issue 4

Sector 3 -4 & 4 -5 n Arc 3 -4 & DS Ø Ø Ø n LSS 4 L/R Ø Ø Ø n All elements in place, NEG activation of straight section completed this week BGI detector damaged using wrong bake-out cycle! Klystron power tests in progress in UX 45 Short to ground on MCB circuit in Q 5. R 4 reparation after 1 st HW commissioning period of sector 4 -5 Arc 4 -5 & DS Ø Ø n Interconnection in progress, global advancement ~95% 10 vacuum sub-sectors (out of 14) delivered to VAC, 7 leak tight and 3 under test Reparation on-going on 500 series SSS (Q 7 -Q 11. R 3), need to open cold masses hold completion of interconnect in arc 3 -4 Interconnection completed, pressure test passed successfully on May 11 -12 th He flushing in progress Cryo instrumentation checks, ELQA at warm and polarity checks in progress Replacement of 28 Velan valve puppets end of this week Cool-down of Sector 4 -5 starts CW 26 (next week) LSS 5 L Ø Ø Ø Low-β: DFBX/Q 3/Q 2/Q 1. L 5 back on surface for repair Cool-down 4 -5 without low-β Power test of warm magnets (D 1. L 5) completed First Roman Pots station in place 19 June 2007 Sylvain Weisz - LEMIC 5

Sector 5 -6, 6 -7 & Point 7 n LSS 5 R Ø Ø Ø Reparation of low-β fixed points scheduled CW 27 -33 critical path for completion of Sector 5 -6 Power test of D 1. R 5 completed, test of low-β wire based alignment system in progress Interconnect Q 4/Q 5/Q 6 -DSLE and Q 7 -DFBAJ in progress n Arc 5 -6 and DS Ø Interconnection in progress, global advancement ~90%, 5 vacuum sub-sector completed n LSS 6 L Ø Ø Ø DFBAK: HCM, LCM and LEJL connection cryostat in place Special configuration of DFBAK Proximity Equipment requiring extra ELQA (TP 2) in place MKD tests in progress, difficult co-activity with dump line installation dump line completion resumes after August 15 th n LSS 6 R Ø Ø Installation of MKD and MKB tests in progress DFBAL HCM and LCM in place, ELQA (TP 2) on-going with proximity equipment in place n Arc 6 -7 & DS: Ø Interconnect in progress, global advancement ~55% n LSS 7 L/R Ø Ø Preparation for warm magnet tests in progress (alignment smoothing done) - tests scheduled CW 25 -28 Collimator supports in place, collimator installation starts CW 29 after warm magnet tests 19 June 2007 Sylvain Weisz - LEMICC 6

Sector 7 -8 Temperature stabilisation and Power tests n n n n Cryogenics conditions are now very stable below λ point Ice accumulation problems on current leads have been solved with the installation of dry air bags D 2, Q 4 & Q 5 (4. 5 K magnets) have been powered to their nominal current (6 k. A) Main arc circuits (MB & QF/QD) and correctors chains have been qualified at cold Quench protection systems and associated heaters have been validated Tests of Powering Interlock Controller are almost complete Powering of the arc magnets is imminent … But repairs in sector 7 -8 (replacement of 1055, PIMs, bus-bar on SSS 500, etc…) start early August Need 4 weeks for warm-up, power tests have to stop prematurely 19 June 2007 Sylvain Weisz - LEMIC 7

Sector 8 -1 n LSS 8 R Ø Ø Ø Low-β: HX reparation completed, interconnect (H pieces) completed, fixed point strenghtening (cartridge installation) CW 25 -31 critical path for completion of Sector 8 -1 Test of LHCb warm compensators (MBXW) completed Y vacuum chamber available: D 1 -D 2 vacuum installation in progress n Arc 8 -1 Ø Interconnections completed Pressure test passed with success on June 9 -10 th n LSS 1 L Ø Ø Ø Interconnection of DFBLA to DSLA completed Installation of D 1 -D 2 vacuum chamber in progress Low-β: HX reparation completed, interconnect (H pieces) completed, fixed point strenghtening (cartridge installation) CW 25 -31 critical path for completion of Sector 8 -1 19 June 2007 Sylvain Weisz - LEMIC 8

Installation Summary n Interconnections: Ø Completed in Sectors 7 -8, 8 -1 & 4 -5, pressure tests Ok Ø 92% of magnet to magnet electrical connections done, 51% of W closures completed Expect closure of sector 1 -2 (arc & DS), incl. leak tests, by end of September Ø Uncertainties and delays from repair of Serie 500 bus-bar insulation n Preparation for short circuit tests: Ø Tests in progress in Point 2 L (14/15 power station tested) Ø Preparation for tests in Point 1 R on schedule Ø Tests in UJ 33 will be re-done after modification of power cables routing n Installation of warm beam pipes in long straight sections: Ø Components procurement Ok, ~200 m/wk installed and activated Ø Advancement below expected rate, perturbed by: n n n Area not available: LSS 3 L/R or UJ 62 -63 (for dump line) Co-activities: Point 6 (with kicker), Point 8 R (with warm magnet tests) Uncertainty on equipment installation: collimators in LSS 7 L/R 19 June 2007 Sylvain Weisz - LEMIC 9

Installation rate of LSS warm beam pipe Courtesy of Miguel Jimenez 25 May 2007 Sylvain Weisz - ICC 10

LHC project Document N° LHC Construction and Installation LHC-PM-MS-0005. 1 rev. 4. 0 CERN Dep. /Group/Contractor Document N°. TS/IC General co-ordination Schedule EDMS Document N°. 102509 12 June 2007 12 23 34 45 56 67 78 on ati lid so on 81 C . Operation testing of available sectors Machine Checkout Beam Commissioning to 7 Te. V Interconnection of the continuous cryostat Global pressure test &Consolidation Warm up Leak tests of the last sub-sectors Flushing Powering Tests Inner Triplets repairs & interconnections Cool-down. Prepared by Katy Foraz

New Installation Schedule - General Features n Sector 4 -5: Arc & DS ready cool-down without low- n Sector 3 -4: Delays with DSLC cool-down without DSLC Get experience with HW commissioning of 2 sectors in parallel Time window for fixes after 1 st HW commissioning period Need for an extra warm-up/cool-down cycle n Sector 7 -8: Repairs scheduled Aug. -Sept. power tests stop early July n Sector 8 -1: Repair low- (8 R & 1 L) before cool-down Need to warm-up sector 7 -8 before completion of first power tests program Cool-down and test low- as early as possible n HW commissioning directly up to 7 Te. V Need to commission many sectors in parallel Get ready for physics by summer 2008 19 June 2007 Sylvain Weisz - LEMIC 12